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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+
+#include <Foundation/Foundation.h>
+
+class tst_QMacAutoreleasePool : public QObject
+{
+ Q_OBJECT
+private slots:
+ void noPool();
+ void rootLevelPool();
+ void stackAllocatedPool();
+ void heapAllocatedPool();
+};
+
+static id lastDeallocedObject = nil;
+
+@interface DeallocTracker : NSObject @end
+@implementation DeallocTracker
+-(void)dealloc
+{
+ lastDeallocedObject = self;
+ [super dealloc];
+}
+@end
+
+void tst_QMacAutoreleasePool::noPool()
+{
+ // No pool, will not be released, but should not crash
+
+ [[[DeallocTracker alloc] init] autorelease];
+}
+
+void tst_QMacAutoreleasePool::rootLevelPool()
+{
+ // The root level case, no NSAutoreleasePool since we're not in the main
+ // runloop, and objects autoreleased as part of main.
+
+ NSObject *allocedObject = nil;
+ {
+ QMacAutoReleasePool qtPool;
+ allocedObject = [[[DeallocTracker alloc] init] autorelease];
+ }
+ QCOMPARE(lastDeallocedObject, allocedObject);
+}
+
+void tst_QMacAutoreleasePool::stackAllocatedPool()
+{
+ // The normal case, other pools surrounding our pool, draining
+ // our pool before any other pool.
+
+ NSObject *allocedObject = nil;
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ {
+ QMacAutoReleasePool qtPool;
+ allocedObject = [[[DeallocTracker alloc] init] autorelease];
+ }
+ QCOMPARE(lastDeallocedObject, allocedObject);
+ [pool drain];
+}
+
+void tst_QMacAutoreleasePool::heapAllocatedPool()
+{
+ // The special case, a pool allocated on the heap, or as a member of a
+ // heap allocated object. This is not a supported use of QMacAutoReleasePool,
+ // and will result in warnings if the pool is prematurely drained.
+
+ NSObject *allocedObject = nil;
+ {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ QMacAutoReleasePool *qtPool = nullptr;
+ {
+ qtPool = new QMacAutoReleasePool;
+ allocedObject = [[[DeallocTracker alloc] init] autorelease];
+ }
+ [pool drain];
+ delete qtPool;
+ }
+ QCOMPARE(lastDeallocedObject, allocedObject);
+}
+
+QTEST_APPLESS_MAIN(tst_QMacAutoreleasePool)
+
+#include "tst_qmacautoreleasepool.moc"